Home / 105,331.80-158,019.30-35,261.40

Finding the Fourth Proportional to 105,331.80, 158,019.30 and 35,261.40

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Solution

The fourth proportional to 105,331.80, 158,019.30 and 35,261.40 is: 52,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,331.80 : 158,019.30 = 35,261.40 : x
  2. Step 2: Convert to fraction form
    105,331.80/158,019.30 = 35,261.40/x
  3. Step 3: Cross multiply
    105,331.80x = 158,019.30 × 35,261.40
  4. Step 4: Simplify right side
    105,331.80x = 5,571,981,745.02
  5. Step 5: Solve for x
    x = 5,571,981,745.02/105,331.80
  6. Step 6: Final answer
    x = 52,899.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.